Ink, marker and unfixed dye from denim, blue jeans or other textiles can back-stain vinyl or leather.
Cleaning with a solvent like denatured alcohol or lacquer thinner is necessary to pre-treat the ink or dye. Such cleaning seldom removes the stain but will prevent the ink or dye from bleeding through a new finish. Rub ‘n Restore® water-based finishes will conceal any lingering stains.
I have the same issue, I applied the bright white color I purchased from your company, I clean the sofa real well before I applied the bright white but did not cover too well.
I was wondering if I should prime it first? do you carry any primer?
Bright white gets poorer coverage than darker mineral pigments. A primer won’t help. Just be sure to pre-treat the ink as discussed above, and then dab the color (rather than wiping or stroking back and forth) to get better coverage on the stain in fewer coats, and then blend outwards.